Style-linking in InDesign

I have a Bold weight style-linked to its Regular.
All works well — except in InDesign which oddly wants to link to the Black weight.
Not had this before, but then I do use Affinity in preference.
How can I stop this and make InDesign behave correctly?
All other apps are fine.

I looked online and found this:
. . . .

Differences in Font Weight Handling

InDesign and Illustrator manage font weights differently, which can cause confusion when working with the same font family across both applications.
Style-Linking Behavior

InDesign: This program may default to linking to the Black weight of a font. This means that when you apply styles, it might prioritize the Black weight over others.

Illustrator: Conversely, Illustrator often links to the Bold weight. This discrepancy arises from how each application interprets font styles and weights.

Sorted.
It was a Font Cache
(I thought these were a thing of the past! — obviously not with Adobe)

How did you install the fonts?

I install direct to ~Library/Fonts

What helps in that case is to have different file names every time. Any caching that happens (and confuses apps or requires app restarts) is related to the file name.

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Or Testing your fonts in Adobe apps | Glyphs